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Depth image filtering method and device, computer equipment and storage medium

A depth image, image technology, applied in the field of image processing, can solve serious problems, edge accuracy decline, aliasing phenomenon, etc.

Active Publication Date: 2019-12-06
MEGVII BEIJINGTECH CO LTD
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  • Claims
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Problems solved by technology

[0003] However, after directly upsampling the small-sized depth image, there will be serious aliasing phenomenon, resulting in a decrease in edge accuracy, so that the main body edge of the depth image does not fit well with the main body edge of the color image or grayscale image.

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  • Depth image filtering method and device, computer equipment and storage medium
  • Depth image filtering method and device, computer equipment and storage medium
  • Depth image filtering method and device, computer equipment and storage medium

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Embodiment Construction

[0047] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0048] It can be understood that the terms "first", "second" and the like used in this application can be used to describe various conditional relationships herein, but these conditional relationships are not limited by these terms. These terms are only used to distinguish one conditional relationship from another conditional relationship.

[0049] It should be noted that in this application, the guided filtering of the depth image can be performed based on the RGB information of the image, or the guided filtering of the depth image can be performed based on the grayscale ...

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Abstract

The invention relates to a depth image filtering method and device, computer equipment and a storage medium. The depth image filtering method comprises the steps: obtaining information of a first depth image and information of a first image of a current image; obtaining a second pixel value set from the first pixel value set according to a difference value between a pixel value at a target position in the first image and a pixel value in a preset neighborhood range of the target position; obtaining a second depth value set from the first depth value set according to the second pixel value set,the second corresponding relationship, the third corresponding relationship and the first corresponding relationship; and filtering the first depth image according to the second depth value set to obtain a second depth image. Therefore, the sawtooth phenomenon existing in the filtered image can be eliminated to a great extent, and the edge accuracy is improved, and the main body edge of the depthimage is better attached to the main body edge of the color image or the gray level image.

Description

technical field [0001] The present application relates to the technical field of image processing, and in particular to a depth image filtering method, device, computer equipment and storage medium. Background technique [0002] With the continuous development of imaging technology and image processing technology, the application of depth image is becoming more and more extensive. The imaging technology of the depth image is quite different from the imaging technology of the ordinary image. In the calculation process of the binocular depth image, due to the time limit or the limitation of the computing power of the processor, the parallax image is usually calculated and processed on the smaller image. , so as to obtain the depth image. [0003] However, after directly upsampling a small-sized depth image, serious aliasing will occur, resulting in a decrease in edge accuracy, making the depth image's main body edge not fit well with the color image or grayscale image's main ...

Claims

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Application Information

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IPC IPC(8): G06T5/10
CPCG06T5/10
Inventor 许姜严
Owner MEGVII BEIJINGTECH CO LTD
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